FUTURE INTERSTATE DESIGNATION.

SEC. 119. FUTURE INTERSTATE DESIGNATION.(a) In General.—Subject to subsection (b), the Secretary of Transportation shall designate, as a future Interstate Route 69 Spur, the Audubon Parkway and, as a future Interstate Route 66 Spur, the Natcher Parkway in Owensboro, Kentucky. Any segment of such routes shall become part of the Interstate System (as defined in section 101 of title 23, United States Code) at such time as the Secretary determines that the segment—(1) meets the Interstate System design standards approved by the Secretary under section 109(b) of title 23, United States Code; and(2) connects to an existing Interstate System segment.(b) Signs.—Section 103(c)(4)(B)(iv) of title 23, United States Code, shall apply to the designations under subsection (a); except that a State may install signs on the 2 parkways that are to be designated under subsection (a) indicating the approximate location of each of the future Interstate System highways.(c) Removal of Designation.—The Secretary shall remove designation of a highway referred to in subsection (a) as a future Interstate System route if the Secretary, as of the last day of the 25-year period beginning on the date of enactment of this Act, has not made the determinations under paragraphs (1) and (2) of subsection (a) with respect to such highway.